IB Chemistry HL - 2025 - Key Concepts

In the IB Chemistry HL (Higher Level) 2025 Key Concepts section, you will find summary videos that will help you review the most important concepts and skills necessary for success. They are ideal for a quick refresher before tackling questions in the Revision Village Questionbank or Practice Exams sections of the website.

Structure 1

Models of the Particulate Nature of Matter

Structure 1

Models of the Particulate Nature of Matter

The Nuclear Atom

The Nuclear Atom video thumbnail

13 minutes

Electron Configuration

Electron Configuration video thumbnail

11 minutes

The Mole

The Mole video thumbnail

13 minutes

Mole Applications

Mole Applications video thumbnail

16 minutes


Structure 1

Models of the Particulate Nature of Matter

The Nuclear Atom

The Nuclear Atom video thumbnail

13 minutes

Electron Configuration

Electron Configuration video thumbnail

11 minutes

The Mole

The Mole video thumbnail

13 minutes

Mole Applications

Mole Applications video thumbnail

16 minutes

Structure 2

Models of Bonding & Structure

Structure 2

Models of Bonding & Structure

Ionic Bonding

Ionic Bonding video thumbnail

14 minutes

Covalent Bonding

Covalent Bonding video thumbnail

15 minutes

VSEPR & Molecular Polarity

VSEPR & Molecular Polarity video thumbnail

13 minutes

Intermolecular Forces

Intermolecular Forces video thumbnail

11 minutes

Metallic Bonding

Metallic Bonding video thumbnail

5 minutes


Structure 2

Models of Bonding & Structure

Ionic Bonding

Ionic Bonding video thumbnail

14 minutes

Covalent Bonding

Covalent Bonding video thumbnail

15 minutes

VSEPR & Molecular Polarity

VSEPR & Molecular Polarity video thumbnail

13 minutes

Intermolecular Forces

Intermolecular Forces video thumbnail

11 minutes

Metallic Bonding

Metallic Bonding video thumbnail

5 minutes

Structure 3

Classification of Matter

Structure 3

Classification of Matter

Properties of Elements

Properties of Elements video thumbnail

18 minutes

The Periodic Table - Classification of Elements

The Periodic Table - Classification of Elements video thumbnail

15 minutes

Classification of Organic Compounds - Functional Groups

Classification of Organic Compounds - Functional Groups video thumbnail

16 minutes

Classification of Organic Compounds - Nomenclature

Classification of Organic Compounds - Nomenclature video thumbnail

15 minutes


Structure 3

Classification of Matter

Properties of Elements

Properties of Elements video thumbnail

18 minutes

The Periodic Table - Classification of Elements

The Periodic Table - Classification of Elements video thumbnail

15 minutes

Classification of Organic Compounds - Functional Groups

Classification of Organic Compounds - Functional Groups video thumbnail

16 minutes

Classification of Organic Compounds - Nomenclature

Classification of Organic Compounds - Nomenclature video thumbnail

15 minutes

Reactivity 1

What Drives Chemical Reactions?

Reactivity 1

What Drives Chemical Reactions?

Enthalpy Changes

Enthalpy Changes video thumbnail

12 minutes


Reactivity 1

What Drives Chemical Reactions?

Enthalpy Changes

Enthalpy Changes video thumbnail

12 minutes

Reactivity 2

How Much, How Fast & How Far?

Reactivity 2

How Much, How Fast & How Far?

The Amount of Chemical Change

The Amount of Chemical Change video thumbnail

17 minutes

Rate of Reaction

Rate of Reaction video thumbnail

6 minutes

Collision Theory & Catalysts

Collision Theory &  Catalysts video thumbnail

8 minutes

Equilibrium

Equilibrium video thumbnail

11 minutes

Le Chatelier's Principle

Le Chatelier's Principle video thumbnail

10 minutes


Reactivity 2

How Much, How Fast & How Far?

The Amount of Chemical Change

The Amount of Chemical Change video thumbnail

17 minutes

Rate of Reaction

Rate of Reaction video thumbnail

6 minutes

Collision Theory & Catalysts

Collision Theory &  Catalysts video thumbnail

8 minutes

Equilibrium

Equilibrium video thumbnail

11 minutes

Le Chatelier's Principle

Le Chatelier's Principle video thumbnail

10 minutes

Reactivity 3

Mechanisms of Chemical Change

Reactivity 3

Mechanisms of Chemical Change

Theories of Acids & Bases

Theories of Acids & Bases video thumbnail

11 minutes

Properties and Strengths of Acids & Bases

Properties and Strengths of Acids & Bases video thumbnail

14 minutes

pH & pOH Calculations

pH & pOH Calculations video thumbnail

8 minutes


Reactivity 3

Mechanisms of Chemical Change

Theories of Acids & Bases

Theories of Acids & Bases video thumbnail

11 minutes

Properties and Strengths of Acids & Bases

Properties and Strengths of Acids & Bases video thumbnail

14 minutes

pH & pOH Calculations

pH & pOH Calculations video thumbnail

8 minutes

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